Finding the Fourth Proportional to 894,203,513.85, 1,234,000,906.02 and 497,717,968.17
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Solution
The fourth proportional to 894,203,513.85, 1,234,000,906.02 and 497,717,968.17 is: 686,850,827.75
Step by Step Solution
- Step 1: Write the proportion equation
894,203,513.85 : 1,234,000,906.02 = 497,717,968.17 : x - Step 2: Convert to fraction form
894,203,513.85/1,234,000,906.02 = 497,717,968.17/x - Step 3: Cross multiply
894,203,513.85x = 1,234,000,906.02 × 497,717,968.17 - Step 4: Simplify right side
894,203,513.85x = 614,184,423,664,213,504 - Step 5: Solve for x
x = 614,184,423,664,213,504/894,203,513.85 - Step 6: Final answer
x = 686,850,827.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.